[font=Times New Roman]TSCHINKEL, W. R. 2013: A method for using ice to construct subterranean ant nests (
[font=Times New Roman]Myrmecol. News 18: 99-102; published Online Earlier 19 February 2013.[/font]
[font=Times New Roman]http://www.myrmecologicalnews.org/cms/images/pdf/online_earlier/mn18_99-102_non-printable.pdf[/font]
[font=Times New Roman]MfG,[/font]
[font=Times New Roman]Merkur[/font]